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an ore car of mass 43000 kilogram starts from rest and rolls downhill on tracks from a mine at the end of the tracks 27
a 48 block of mass slides from rest down a frictionless 301o incline and is halted by a powerful spring with a spring
a quarterback takes the ball from the line of scrimmage runs backwards for 15 yds then runs sideways parallel to the
a 011 kilogram block of mass is laid on a vertical spring of constant 7008 nm and shoved downward compressing the
a 450 kilogram girl is standing on a 159 kilogram plank the plank originally at rest is free to slide on a frozen lake
a 755 newton person stands in the middle of a frozen pond of radius 100 meter he is unable to get to the other side
a copper wire is 600 meter long and has a cross-sectional area of 100nbspxnbsp10-4 m2 this wire forms a one turn loop
consider two point particles that have charge e are at rest and are separated by 290 x 10-15 metera find how much work
describe what happens to the energy of the two waves when they interfere destructively did the energy vanish hint find
the rope of a swing is 32 meter long find the angle from the vertical at which a 77 kilogram man must begin to swing in
an elastic head-on collision occurs between two objects object one has a mass of 239 kilogram and is initially moving
a tennis ball has a mass of 0056 kilogram and is moving horizontally to the right at 293 ms toward the racquet the
a 66 kilogram skier coasts up as now-covered hill that makes an angle of 25 degree with the horizontal the initial
determine what velocity would a proton need to circle earth 1500 kilometer above the magnetic equator where earths
the current density inside a long solid cylindrical wire of radiusnbspanbsp 48 millimeter is in the direction of the
a common flashlight bulb is rated at 030 amp and 28 volt the values of the current and voltage under operating
a 040 kilogram ball is thrown with a speed of 90 ms at an upward angle of 33 degreea determine what is its speed at its
a find how far is the center of mass of the earth-moon system from the center of the earth appendix c gives the masses
a spring with k 59 nm hangs vertically next to a ruler the end of the spring is next to the 14 centimeter mark on the
there are two weights hanging from a pulley one on the ground 300 kilogram and one hanging 500 kilogram the height from
if our sun were fourteen times as massive as it is determine how many times faster or slower should the earth move in
a spring has a spring stiffness constant k of 430 nm find how much must this spring be stretched to store 50 joule of
in the high jump frans kinetic energy is transformed into gravitational potential energy without the aid of a pole
a box of mass 80 kilogram is accelerated from rest across a floor at a rate of 30 ms for 60 s estimate what is the net
a resistor is constructed of a carbon rod that has a uniform cross sectional area of 500 mm2 when a potential